Gemstone



FIG. 1 is a top plan view of a gemstone in accordance with my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view, right side elevational view and left side elevational view being the same;

FIG. 4 is a top plan view of a gemstone in accordance with a second embodiment of my new design;

FIG. 5 is a bottom plan view of the embodiment shown in FIG. 4; and,

FIG. 6 is a front elevational view of the embodiment shown in FIG. 4, the rear elevational view, right side elevational view and left side elevational view being the same. 

The ornamental design for a gemstone, as shown and described. 